2024-03-28T21:02:49Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1014632022-11-16T08:02:44Zcom_10261_11com_10261_6col_10261_264
DIGITAL.CSIC
author
Alonso Ferro, R. C.
author
Malvar Pintos, Rosa Ana
author
Revilla Temiño, Pedro
author
Ordás Pérez, Amando
author
Castro, P.
author
Moreno-González, Jesús
2014-09-01T07:37:10Z
2014-09-01T07:37:10Z
2008
Journal of Agricultural Science 146: 551–560 (2008)
0021-8596
http://hdl.handle.net/10261/101463
10.1017/S0021859608007934
1469-5146
Hard endosperm maize (Zea mays L.) is useful for industry and for human consumption. The
objective of the present work was to study the inheritance of quality traits in hard endosperm maize. Three flint and three dent inbreds, F1 of their diallel crosses, F2s and backcrosses to each parent were evaluated for grain yield and quality traits (flotation test, flour-milling test, grain damage (GD) index and grain density). Genotypes and genotype x environment interactions were significant for most traits. A genetic model including additive, dominance and epistatic effects explained most of the genetic variation for the traits. Additive effect mean squares were larger than those due to dominance effects, except for grain yield and GD. Partition of the dominance variance into average, general, and specific dominance components revealed that the average dominance related to heterosis was the most important. Additive x additive epistatic variation was smaller than additive and dominance variation for quality traits. Some inbreds displayed sufficient potential to be used in hard endosperm maize breeding programmes. The average dominance effect was favourable for most of the quality and agronomic traits. Breeding programmes for improving quality in hard endosperm maize would be most efficient if both additive and dominant effects are capitalized on.
eng
openAccess
Genetics of quality and agronomic traits in hard endosperm maize
artículo
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URL
https://digital.csic.es/bitstream/10261/101463/1/Genetics_of_quality_and_agronomic_traits.pdf
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Genetics_of_quality_and_agronomic_traits.pdf
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https://digital.csic.es/bitstream/10261/101463/4/Genetics_of_quality_and_agronomic_traits.pdf.txt
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Genetics_of_quality_and_agronomic_traits.pdf.txt
URL
https://digital.csic.es/bitstream/10261/101463/4/Genetics_of_quality_and_agronomic_traits.pdf.txt
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Genetics_of_quality_and_agronomic_traits.pdf.txt